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#!/usr/bin/env python
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
"""
Test changing the C source files based on an always-executed revision
extraction and substitution.
"""
import os.path
import TestSCons
test = TestSCons.TestSCons()
test.write('getrevision', """
#!/usr/bin/env python
import string
print string.strip(open('revnum.in','rb').read())
""")
test.write('SConstruct', """
import re
import string
def subrevision(target, source ,env):
orig = target[0].get_contents()
new = re.sub('\$REV.*?\$',
'$REV: %%s$'%%string.strip(source[0].get_contents()),
target[0].get_contents())
outf = open(str(target[0]),'wb')
outf.write(new)
outf.close()
SubRevision = Action(subrevision)
env=Environment()
content_env=env.Copy()
content_env.TargetSignatures('content')
content_env.Command('revision.in', [], '%(python)s getrevision > $TARGET')
content_env.AlwaysBuild('revision.in')
env.Precious('main.c')
env.Command('main.c', 'revision.in', SubRevision)
exe = env.Program('main.c')
env.Default(exe)
""" % {'python':TestSCons.python})
test.write('main.c', """\
#include <stdio.h>
int
main(int argc, char *argv[])
{
printf("Revision $REV$\\n");
exit (0);
}
""")
test.write('revnum.in', '3.2\n')
prog = 'main' + TestSCons._exe
light_build=test.wrap_stdout("""\
%(python)s getrevision > revision.in
""" % {'python':TestSCons.python})
test.run(arguments='.')
test.must_exist(prog)
test.run(program=test.workpath(prog), stdout='Revision $REV: 3.2$\n')
test.run(arguments='.', stdout=light_build)
test.must_exist(prog)
test.run(arguments='.', stdout=light_build)
test.must_exist(prog)
test.write('revnum.in', '3.3\n')
test.run(arguments='.')
test.must_exist(prog)
test.run(program=test.workpath(prog), stdout='Revision $REV: 3.3$\n')
test.pass_test()
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